Arch supporter



Jan. 12 1,569,206

L. E. SCRANNAGE ARCH SUPPORT ER Fild July 1 2 FIG-Z /6 W 62 FIG.6

3 MII I INVENTOR.

Patented Jan. 12, 1 926.

UNITED {STATES 1,569,206 PATENT OFFICE.

nawnanos E. awareness, or PHILADELPHIA, ranusnvanm.

Anon 'svrron'rnn.

To allwhom may concern Be it known that I, LAWRENCE E. SORAN- 'NAGE, a citizen of the United States, resid ing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have in-' vented new and useful Improvements in Arch Supporters, of which the following is a specification.

This invention relates to improvements in arch supporters for the human foot, the

provide means for supporting the scaphoid or keystone bone of the arch from the ground in proportion to the resultant of the vertica] and horizontal component pressures exerted by the human body upon the foot.

Another object of the invention is to provide maximum longitudinal flexibility, suit-, able horizontal rigidity, and maximum vertical resilience to the arch support, in a mannor to relieve the alternate tension and compression stresses of the extreme fibre in con- -tact with the shank of the shoe.

Another object of the invention is to provide an arch supporter which shall fit the arch of the foot laterally and longitudinally.

Another object of the invention is to pro-.

vide an inexpensive arch supporter which can be applied to the shank of any shoeby a novice without tearing away the existing heel. This invention also consists in certain other features of construction and in the combination and arrangement of parts to be hereinafter fully described, illustrated by the accompanying drawings and specifically pointed out in the appended claim.

In describing my invention in detail, reference will be had to accompanying drawings wherein like numerals denote like or corresponding parts throughout the several views, and in which .of the assemblage Figure .7is a detail vertical-"section on the line 7-7 of Figure? application filed July 5, 1984. Serial No. 724,831.

In these views the numeral 1 indicates a shoe having a sole 2. 3 is the shank of the shoe which curves from theforward portion of heel forward and downwardly to the ball of the foot, as shown in Figure 5. My novel arch support is comprehensively designated by the numeral 4, the same being I made of any suitable flexible material such as rubber or composition. 5 'is the usual rubber or leather heel common to shoes and requires, no further explanation. M novel arch support 4 is longitudinally an transversely curved at 6 to conform with and support the shank of the shoe 1. 7 are depressions extending laterally across the sup-- porter and inwardly to the neutral axls, which means a line of zero tension and compression. These depressions relieve the tension and com ression forces of surface 6 with the shan I forces tending to loosen the nails or other fastenings used in securing the arch support 4 to the instep of the shoe. The apphcant has experienced much trouble and annoyance of the above character with other arch su porters. the dept of the neutral axis normal to the lon itudinal surface 6. The usual nails and was ers such as commonly used secure the of the shoe, and eliminate 8 are holes molded to i arch support 4, it is noteworthy that the upper curve 9 follows the contour of the longitudinal arch of the foot; while the curve 10 approximately parallels the inner edge of the shoe shank' 3. Similarly, the lower curves 11 and 12 approximate, in narrowing relation, the median line of the longitudinal arch, so as to offer varying re-- sistance as the weight of the wearer moves over from the vertical in the act of moving pressure from one foot to the other in walkmg. In other words, and under normal conditions, the weight of the human body is thrown on the foot, not in straight lines, but in a series of curves, wit-h the foot itself ieceivin the pressure from above, and hence the gra uation of the curves 9--1 2 to so configure thesup orter 4 that its cross.sec-' tion varies in con ormity series of pressure curves.

Referring to. Figure 4, the arch support is applied tothe shank just a little inside of the line of stitching, and when properly applied will support the arch of the foot from the ground without discomfort and cushion with the aforesaid the instep as the foot rolls over the ground from heel to toe.

The numeral 17 designates the ground or tread face of my novel supporter 4: 19 indicates the upper rear edge of said supporter that abuts the breast of the heel 5; and 20 is the lower rear edge of said suppoxter. It is to be noted that the lower edge 20 isas shown in Fig. 5slightly in advance of the edge 19; or, in other words, the rear face of the supporter is slightly tapered to obviate facial engagement of said supporter with the breast of the heel except at the upper edge 19.

Having described my invention, what I claim is As a new article of manufacture, an arch support for foot-wear comprising a single piece of rubber adapted to be secured to the shank of a shoe and having curved longitudinal edges converging toward one end thereof, the upper surface of the support being curved longitudinally to fit the shank of the shoe and the lower surface of said support being flat and in a plane with the tread portion and the heel ofsaid shoe, the said upper surface being also curved laterally and having lateral depressions to the depth of the neutral axis, and the said support having the marginal edges of the upper surface thereof extending beyond the'marginal edges of the lower surface.

LAWRENCE E. b'CRANNAGE. 

